/Engine/Plugins/Experimental/PhysicsControl/Source/PhysicsControl/Public/PhysicsControlComponent.h
Gets the linear velocity of the requested bone that will be used as a target (in world space). Target velocities for bones that are not found will be set to zero. Note that these targets will have been calculated and cached at the start of the Physics Control Component, so if using the built in tick, may be too old to be useful. If you manually update the component then you can access these target velocities prior to applying your own targets.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=PhysicsControl) FVector GetCachedBoneVelocity ( const [USkeletalMeshComponent](API\Runtime\Engine\Components\USkeletalMeshComponent) * SkeletalMeshComponent, const [FName](API\Runtime\Core\UObject\FName) BoneName )